#include "calculator.h"
#include "logger.h"
#include "greet.h"

int main() {
	hello("世界.");

	int unused_var = 42; // this variable is not used

	int a = 5, b = 3;
	int result = add(a, b);
	log("5 + 3 = " + to_string(result));
	result = sub(a, b);
	log("5 - 3 = " + to_string(result));
	return 0;
}
